1. Mammea yunnanensis (H. L. Li) Kostermans, Djawatan Kehutanan Indonesia. 15. 1956.
格脉树 ge mai shu
Ochrocarpos yunnanensis H. L. Li, J. Arnold Arbor. 25: 308. 1944.
Trees evergreen, ca. 25 m tall, 60-80 cm in diam. Crown compact, broadly conic. Bark opaquely brown, gray spotted, spots unequal in size. Twigs many, old ones gray-brown, with large and conspicuous leaf scars; young ones yellow-brown, angled. Petiole short, 5-8 mm, robust; leaf blade oblong, rectangular-lanceolate, or narrowly elliptic, 16-20 × 5-9 cm, thickly leathery, midvein robust, plane-convex; secondary veins numerous, inconspicuous; tertiary veins and veinlets conspicuously and evenly reticulate, base usually rounded, apex shortly acuminate, obtuse, or rounded. Pedicel 2-3.5 cm. Plant solitary, sometimes in pairs on defoliate branchlets, ca. 8 cm in diam. Sepals 2, becoming deflexed, persistent, equal, broadly ovate, concave, 8-10 mm. Petals 6, imbricate, white, equal, oblong, ca. 2 cm, concave. Stamen with filaments ca. 6 mm, united into 1 whorl at base, enveloping base of ovary. Ovary ovoid, bisulcate outside, ca. 4 mm; style robust, 2-3 mm; stigma glabrous, peltate, margin recurved. Fruit dark brown when mature, oblong, 5-6 cm, 3.5-4 cm in diam. at middle, apiculate; endocarp succulent. Seed 1, 2.5-3 cm; testa brownish, thin. Fl. Mar-Apr, fr. Sep-Oct.
● Dense, humid forests on low hills; ca. 600 m. S Yunnan (Jinghong, Lancang, Mengla).
This is an ornamental tree. The fruit pulp is sweet and edible.